diff --git a/packages/transport-http/src/subscriptions/mocks/mock-websocket.ts b/packages/transport-http/src/subscriptions/mocks/mock-websocket.ts
deleted file mode 100644
index f80842528..000000000
--- a/packages/transport-http/src/subscriptions/mocks/mock-websocket.ts
+++ /dev/null
@@ -1,54 +0,0 @@
-import {
-  SubscribeMessageRequest,
-  SubscribeMessageResponse,
-  SubscriptionDataMessage,
-} from "../models"
-import WS from "jest-websocket-mock"
-
-export class MockWsBackend {
-  private readonly mockWs: WS
-
-  constructor(endpoint: string) {
-    this.mockWs = new WS(endpoint)
-  }
-
-  sendData() {
-    const data = {
-      id: "id",
-      data: {key: "value"},
-    } as SubscriptionDataMessage
-    this.mockWs.send(JSON.stringify(data))
-  }
-
-  async respondSubscription(topic: string, args: Record<string, any>) {
-    await this.mockWs.connected
-
-    const msg = (await this.mockWs.nextMessage) as string
-    const data = JSON.parse(msg) as SubscribeMessageRequest
-    expect(data).toEqual({
-      action: "subscribe",
-      topic,
-      arguments: args,
-    })
-
-    const response: SubscribeMessageResponse = {
-      id: "id1",
-      action: "subscribe",
-      success: true,
-      topic,
-    }
-    this.mockWs.send(JSON.stringify(response))
-  }
-
-  get connected() {
-    return this.mockWs.connected
-  }
-
-  close() {
-    this.mockWs.close()
-  }
-
-  get server() {
-    return this.mockWs.server
-  }
-}